{ "contractName": "TokenHolder", "abi": [ { "anonymous": false, "inputs": [ { "indexed": true, "internalType": "address", "name": "_prevOwner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "_newOwner", "type": "address" } ], "name": "OwnerUpdate", "type": "event" }, { "inputs": [], "name": "acceptOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "newOwner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "owner", "outputs": [ { "internalType": "address", "name": "", "type": "address" } ], "stateMutability": "view", "type": "function" }, { "inputs": [ { "internalType": "address", "name": "_newOwner", "type": "address" } ], "name": "transferOwnership", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [ { "internalType": "contract IERC20Token", "name": "_token", "type": "address" }, { "internalType": "address", "name": "_to", "type": "address" }, { "internalType": "uint256", "name": "_amount", "type": "uint256" } ], "name": "withdrawTokens", "outputs": [], "stateMutability": "nonpayable", "type": "function" } ], "metadata": "{\"compiler\":{\"version\":\"0.6.12+commit.27d51765\"},\"language\":\"Solidity\",\"output\":{\"abi\":[{\"anonymous\":false,\"inputs\":[{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_prevOwner\",\"type\":\"address\"},{\"indexed\":true,\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"OwnerUpdate\",\"type\":\"event\"},{\"inputs\":[],\"name\":\"acceptOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"newOwner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[],\"name\":\"owner\",\"outputs\":[{\"internalType\":\"address\",\"name\":\"\",\"type\":\"address\"}],\"stateMutability\":\"view\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"address\",\"name\":\"_newOwner\",\"type\":\"address\"}],\"name\":\"transferOwnership\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"},{\"inputs\":[{\"internalType\":\"contract IERC20Token\",\"name\":\"_token\",\"type\":\"address\"},{\"internalType\":\"address\",\"name\":\"_to\",\"type\":\"address\"},{\"internalType\":\"uint256\",\"name\":\"_amount\",\"type\":\"uint256\"}],\"name\":\"withdrawTokens\",\"outputs\":[],\"stateMutability\":\"nonpayable\",\"type\":\"function\"}],\"devdoc\":{\"details\":\"We consider every contract to be a 'token holder' since it's currently not possible for a contract to deny receiving tokens. The TokenHolder's contract sole purpose is to provide a safety mechanism that allows the owner to send tokens that were sent to the contract by mistake back to their sender. Note that we use the non standard ERC-20 interface which has no return value for transfer in order to support both non standard as well as standard token contracts. see https://github.com/ethereum/solidity/issues/4116\",\"kind\":\"dev\",\"methods\":{\"acceptOwnership()\":{\"details\":\"used by a new owner to accept an ownership transfer\"},\"transferOwnership(address)\":{\"details\":\"allows transferring the contract ownership the new owner still needs to accept the transfer can only be called by the contract owner\",\"params\":{\"_newOwner\":\"new contract owner\"}},\"withdrawTokens(address,address,uint256)\":{\"details\":\"withdraws tokens held by the contract and sends them to an account can only be called by the owner\",\"params\":{\"_amount\":\"amount to withdraw\",\"_to\":\"account to receive the new amount\",\"_token\":\"ERC20 token contract address\"}}},\"version\":1},\"userdoc\":{\"kind\":\"user\",\"methods\":{},\"version\":1}},\"settings\":{\"compilationTarget\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHolder.sol\":\"TokenHolder\"},\"evmVersion\":\"istanbul\",\"libraries\":{},\"metadata\":{\"bytecodeHash\":\"ipfs\"},\"optimizer\":{\"enabled\":true,\"runs\":200},\"remappings\":[]},\"sources\":{\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IERC20Token.sol\":{\"keccak256\":\"0xe6f988c3156e88258474526a541d5a42b6a9adae98b04177a059d9f723bc82cd\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://9a6eb77a5b9ce70995a11a6e48ac3985a4c70896fe5fe04d46146ad7c1c83ea3\",\"dweb:/ipfs/QmYvGSveZFG51tghwkVuu6eK9Jy8frHpfLxHTMyvNZN461\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Owned.sol\":{\"keccak256\":\"0x6ef69d9dcc80a8a36d5eb37783375cd5e4831c6d20c723fa6f6b6a06c0aeb53d\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://5a5d087e2c5b47739615ef22e1f29749de44b43c9a37cfae32b3dfc498a258c4\",\"dweb:/ipfs/Qmd1mXKEQbmBxqHk326LGVzNoayXsam8gZNecknnYpBnyh\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHandler.sol\":{\"keccak256\":\"0xf65b87e3bf3343e368da67878c19d1a043a1025b10e9053d3562b53b4aa447fe\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://b85c5d96642c14c53b8d5062eecd4d27d3bdb457d1d0f130900763a75a512eb7\",\"dweb:/ipfs/QmUHtbqC1khqnRZXYn11Aykus4m5e9MVNUWqorxhpr5ipJ\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHolder.sol\":{\"keccak256\":\"0xac6bc102eff6c1bb8c1bb4466eab50322c7c101e2e33d577dd3035f106627577\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://9fdbda2d4509260ca3dd43654bdaea07ef18a5e04213ff16e38e3b4abad78a5f\",\"dweb:/ipfs/QmPb69rzX1DwDeEhhfzqQNS3U2bfGcFjXNaV5ffHsZHzfP\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Utils.sol\":{\"keccak256\":\"0x073efa69fcd6b5e60f841b28b366d63b62ff48ab12a06ce3f5a7f41afd6ce885\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://e8b8ecb2d29197ca77f0ed98f728ace54e6edcfdf5cd1194ae22701607eaf608\",\"dweb:/ipfs/QmcsR6Q35Hurh3TrPkYAboicz9bQQoGCWmZLzUCDyhotH8\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/IOwned.sol\":{\"keccak256\":\"0xc60a9d197abc28c1906ed4d18b59caa0242db754a0e1f67af6e6277593530dae\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://a8c6f3e6525a81a5165ccbf04f73f6c389c14b74135d11a7b5f70b1c9bdac75c\",\"dweb:/ipfs/QmaPu4Z7yUPc9sMADmoTZVY6AnyDSYHtNNCx3mm4VkJwhP\"]},\"/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/ITokenHolder.sol\":{\"keccak256\":\"0x9ccb8ab04d0bd874ba7aae5277e60f35c36918922649a0596bf3664ed257bfe2\",\"license\":\"SEE LICENSE IN LICENSE\",\"urls\":[\"bzz-raw://b65e6db19cd244c9f3545695de5fd7573711c49fb306631ddbf0e1d2fa9fb589\",\"dweb:/ipfs/QmZeu5KYVMTbTx7h2BVUq52fpwL9Q44AUfzeVksucDohgf\"]}},\"version\":1}", "bytecode": "0x608060405234801561001057600080fd5b50600080546001600160a01b0319163317905561050d806100326000396000f3fe608060405234801561001057600080fd5b50600436106100575760003560e01c80635e35359e1461005c57806379ba5097146100945780638da5cb5b1461009c578063d4ee1d90146100c0578063f2fde38b146100c8575b600080fd5b6100926004803603606081101561007257600080fd5b506001600160a01b038135811691602081013590911690604001356100ee565b005b610092610127565b6100a46101de565b604080516001600160a01b039092168252519081900360200190f35b6100a46101ed565b610092600480360360208110156100de57600080fd5b50356001600160a01b03166101fc565b6100f661027a565b82610100816102cf565b8261010a816102cf565b8361011481610323565b61011f868686610377565b505050505050565b6001546001600160a01b0316331461017a576040805162461bcd60e51b815260206004820152601160248201527011549497d050d0d154d4d7d11153925151607a1b604482015290519081900360640190fd5b600154600080546040516001600160a01b0393841693909116917f343765429aea5a34b3ff6a3785a98a5abb2597aca87bfbb58632c173d585373a91a360018054600080546001600160a01b03199081166001600160a01b03841617909155169055565b6000546001600160a01b031681565b6001546001600160a01b031681565b61020461027a565b6000546001600160a01b0382811691161415610258576040805162461bcd60e51b815260206004820152600e60248201526d22a9292fa9a0a6a2afa7aba722a960911b604482015290519081900360640190fd5b600180546001600160a01b0319166001600160a01b0392909216919091179055565b6000546001600160a01b031633146102cd576040805162461bcd60e51b815260206004820152601160248201527011549497d050d0d154d4d7d11153925151607a1b604482015290519081900360640190fd5b565b6001600160a01b038116610320576040805162461bcd60e51b81526020600482015260136024820152724552525f494e56414c49445f4144445245535360681b604482015290519081900360640190fd5b50565b6001600160a01b038116301415610320576040805162461bcd60e51b815260206004820152601360248201527222a9292fa0a2222922a9a9afa4a9afa9a2a62360691b604482015290519081900360640190fd5b604080516001600160a01b038481166024830152604480830185905283518084039091018152606490920183526020820180516001600160e01b031663a9059cbb60e01b178152925182516000946060949389169392918291908083835b602083106103f45780518252601f1990920191602091820191016103d5565b6001836020036101000a0380198251168184511680821785525050505050509050019150506000604051808303816000865af19150503d8060008114610456576040519150601f19603f3d011682016040523d82523d6000602084013e61045b565b606091505b5091509150818015610489575080511580610489575080806020019051602081101561048657600080fd5b50515b6104d0576040805162461bcd60e51b815260206004820152601360248201527211549497d514905394d1915497d19052531151606a1b604482015290519081900360640190fd5b505050505056fea2646970667358221220f7416415e0c8fb660caa2dddf34ea5232522a81a698089d61182fbcd82d0782f64736f6c634300060c0033", "deployedBytecode": "0x608060405234801561001057600080fd5b50600436106100575760003560e01c80635e35359e1461005c57806379ba5097146100945780638da5cb5b1461009c578063d4ee1d90146100c0578063f2fde38b146100c8575b600080fd5b6100926004803603606081101561007257600080fd5b506001600160a01b038135811691602081013590911690604001356100ee565b005b610092610127565b6100a46101de565b604080516001600160a01b039092168252519081900360200190f35b6100a46101ed565b610092600480360360208110156100de57600080fd5b50356001600160a01b03166101fc565b6100f661027a565b82610100816102cf565b8261010a816102cf565b8361011481610323565b61011f868686610377565b505050505050565b6001546001600160a01b0316331461017a576040805162461bcd60e51b815260206004820152601160248201527011549497d050d0d154d4d7d11153925151607a1b604482015290519081900360640190fd5b600154600080546040516001600160a01b0393841693909116917f343765429aea5a34b3ff6a3785a98a5abb2597aca87bfbb58632c173d585373a91a360018054600080546001600160a01b03199081166001600160a01b03841617909155169055565b6000546001600160a01b031681565b6001546001600160a01b031681565b61020461027a565b6000546001600160a01b0382811691161415610258576040805162461bcd60e51b815260206004820152600e60248201526d22a9292fa9a0a6a2afa7aba722a960911b604482015290519081900360640190fd5b600180546001600160a01b0319166001600160a01b0392909216919091179055565b6000546001600160a01b031633146102cd576040805162461bcd60e51b815260206004820152601160248201527011549497d050d0d154d4d7d11153925151607a1b604482015290519081900360640190fd5b565b6001600160a01b038116610320576040805162461bcd60e51b81526020600482015260136024820152724552525f494e56414c49445f4144445245535360681b604482015290519081900360640190fd5b50565b6001600160a01b038116301415610320576040805162461bcd60e51b815260206004820152601360248201527222a9292fa0a2222922a9a9afa4a9afa9a2a62360691b604482015290519081900360640190fd5b604080516001600160a01b038481166024830152604480830185905283518084039091018152606490920183526020820180516001600160e01b031663a9059cbb60e01b178152925182516000946060949389169392918291908083835b602083106103f45780518252601f1990920191602091820191016103d5565b6001836020036101000a0380198251168184511680821785525050505050509050019150506000604051808303816000865af19150503d8060008114610456576040519150601f19603f3d011682016040523d82523d6000602084013e61045b565b606091505b5091509150818015610489575080511580610489575080806020019051602081101561048657600080fd5b50515b6104d0576040805162461bcd60e51b815260206004820152601360248201527211549497d514905394d1915497d19052531151606a1b604482015290519081900360640190fd5b505050505056fea2646970667358221220f7416415e0c8fb660caa2dddf34ea5232522a81a698089d61182fbcd82d0782f64736f6c634300060c0033", "immutableReferences": {}, "sourceMap": "819:670:62:-:0;;;;;;;;;;;;-1:-1:-1;619:5:57;:18;;-1:-1:-1;;;;;;619:18:57;627:10;619:18;;;819:670:62;;;;;;", "deployedSourceMap": "819:670:62:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1196:290;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;1196:290:62;;;;;;;;;;;;;;;;;:::i;:::-;;1422:217:57;;;:::i;219:29::-;;;:::i;:::-;;;;-1:-1:-1;;;;;219:29:57;;;;;;;;;;;;;;255:23;;;:::i;1164:167::-;;;;;;;;;;;;;;;;-1:-1:-1;1164:167:57;-1:-1:-1;;;;;1164:167:57;;:::i;1196:290:62:-;726:12:57;:10;:12::i;:::-;1370:6:62::1;594:23:64;608:8;594:13;:23::i;:::-;1401:3:62::2;594:23:64;608:8;594:13;:23::i;:::-;1423:3:62::3;948:18:64;957:8;948;:18::i;:::-;1444:34:62::4;1457:6;1465:3;1470:7;1444:12;:34::i;:::-;628:1:64::3;::::2;749::57::1;1196:290:62::0;;;:::o;1422:217:57:-;1498:8;;-1:-1:-1;;;;;1498:8:57;1484:10;:22;1476:52;;;;;-1:-1:-1;;;1476:52:57;;;;;;;;;;;;-1:-1:-1;;;1476:52:57;;;;;;;;;;;;;;;1563:8;;;1556:5;;1544:28;;-1:-1:-1;;;;;1563:8:57;;;;1556:5;;;;1544:28;;;1591:8;;;;1583:16;;-1:-1:-1;;;;;;1583:16:57;;;-1:-1:-1;;;;;1591:8:57;;1583:16;;;;1610:21;;;1422:217::o;219:29::-;;;-1:-1:-1;;;;;219:29:57;;:::o;255:23::-;;;-1:-1:-1;;;;;255:23:57;;:::o;1164:167::-;726:12;:10;:12::i;:::-;1268:5:::1;::::0;-1:-1:-1;;;;;1255:18:57;;::::1;1268:5:::0;::::1;1255:18;;1247:45;;;::::0;;-1:-1:-1;;;1247:45:57;;::::1;;::::0;::::1;::::0;::::1;::::0;;;;-1:-1:-1;;;1247:45:57;;;;;;;;;;;;;::::1;;1303:8;:20:::0;;-1:-1:-1;;;;;;1303:20:57::1;-1:-1:-1::0;;;;;1303:20:57;;;::::1;::::0;;;::::1;::::0;;1164:167::o;813:104::-;882:5;;-1:-1:-1;;;;;882:5:57;868:10;:19;860:49;;;;;-1:-1:-1;;;860:49:57;;;;;;;;;;;;-1:-1:-1;;;860:49:57;;;;;;;;;;;;;;;813:104::o;692:128:64:-;-1:-1:-1;;;;;766:22:64;;758:54;;;;;-1:-1:-1;;;758:54:64;;;;;;;;;;;;-1:-1:-1;;;758:54:64;;;;;;;;;;;;;;;692:128;:::o;1041:126::-;-1:-1:-1;;;;;1110:25:64;;1130:4;1110:25;;1102:57;;;;;-1:-1:-1;;;1102:57:64;;;;;;;;;;;;-1:-1:-1;;;1102:57:64;;;;;;;;;;;;;;1485:312:61;1631:59;;;-1:-1:-1;;;;;1631:59:61;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;1631:59:61;-1:-1:-1;;;1631:59:61;;;1610:81;;;;1575:12;;1589:17;;1610:20;;;;1631:59;1610:81;;;1631:59;1610:81;;1631:59;1610:81;;;;;;;;;;-1:-1:-1;;1610:81:61;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;1574:117;;;;1709:7;:57;;;;-1:-1:-1;1721:11:61;;:16;;:44;;;1752:4;1741:24;;;;;;;;;;;;;;;-1:-1:-1;1741:24:61;1721:44;1701:89;;;;;-1:-1:-1;;;1701:89:61;;;;;;;;;;;;-1:-1:-1;;;1701:89:61;;;;;;;;;;;;;;;1485:312;;;;;:::o", "source": "// SPDX-License-Identifier: SEE LICENSE IN LICENSE\r\npragma solidity 0.6.12;\r\nimport \"./Owned.sol\";\r\nimport \"./Utils.sol\";\r\nimport \"./TokenHandler.sol\";\r\nimport \"./interfaces/ITokenHolder.sol\";\r\nimport \"../token/interfaces/IERC20Token.sol\";\r\n\r\n/**\r\n * @dev We consider every contract to be a 'token holder' since it's currently not possible\r\n * for a contract to deny receiving tokens.\r\n *\r\n * The TokenHolder's contract sole purpose is to provide a safety mechanism that allows\r\n * the owner to send tokens that were sent to the contract by mistake back to their sender.\r\n *\r\n * Note that we use the non standard ERC-20 interface which has no return value for transfer\r\n * in order to support both non standard as well as standard token contracts.\r\n * see https://github.com/ethereum/solidity/issues/4116\r\n*/\r\ncontract TokenHolder is ITokenHolder, TokenHandler, Owned, Utils {\r\n /**\r\n * @dev withdraws tokens held by the contract and sends them to an account\r\n * can only be called by the owner\r\n *\r\n * @param _token ERC20 token contract address\r\n * @param _to account to receive the new amount\r\n * @param _amount amount to withdraw\r\n */\r\n function withdrawTokens(IERC20Token _token, address _to, uint256 _amount)\r\n public\r\n virtual\r\n override\r\n ownerOnly\r\n validAddress(address(_token))\r\n validAddress(_to)\r\n notThis(_to)\r\n {\r\n safeTransfer(_token, _to, _amount);\r\n }\r\n}\r\n", "sourcePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHolder.sol", "ast": { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHolder.sol", "exportedSymbols": { "TokenHolder": [ 22575 ] }, "id": 22576, "license": "SEE LICENSE IN LICENSE", "nodeType": "SourceUnit", "nodes": [ { "id": 22528, "literals": [ "solidity", "0.6", ".12" ], "nodeType": "PragmaDirective", "src": "52:23:62" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Owned.sol", "file": "./Owned.sol", "id": 22529, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 21819, "src": "77:21:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Utils.sol", "file": "./Utils.sol", "id": 22530, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 22662, "src": "100:21:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHandler.sol", "file": "./TokenHandler.sol", "id": 22531, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 22527, "src": "123:28:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/ITokenHolder.sol", "file": "./interfaces/ITokenHolder.sol", "id": 22532, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 22908, "src": "153:39:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IERC20Token.sol", "file": "../token/interfaces/IERC20Token.sol", "id": 22533, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 21128, "src": "194:45:62", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 22535, "name": "ITokenHolder", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22907, "src": "843:12:62", "typeDescriptions": { "typeIdentifier": "t_contract$_ITokenHolder_$22907", "typeString": "contract ITokenHolder" } }, "id": 22536, "nodeType": "InheritanceSpecifier", "src": "843:12:62" }, { "arguments": null, "baseName": { "contractScope": null, "id": 22537, "name": "TokenHandler", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22526, "src": "857:12:62", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenHandler_$22526", "typeString": "contract TokenHandler" } }, "id": 22538, "nodeType": "InheritanceSpecifier", "src": "857:12:62" }, { "arguments": null, "baseName": { "contractScope": null, "id": 22539, "name": "Owned", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 21818, "src": "871:5:62", "typeDescriptions": { "typeIdentifier": "t_contract$_Owned_$21818", "typeString": "contract Owned" } }, "id": 22540, "nodeType": "InheritanceSpecifier", "src": "871:5:62" }, { "arguments": null, "baseName": { "contractScope": null, "id": 22541, "name": "Utils", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22661, "src": "878:5:62", "typeDescriptions": { "typeIdentifier": "t_contract$_Utils_$22661", "typeString": "contract Utils" } }, "id": 22542, "nodeType": "InheritanceSpecifier", "src": "878:5:62" } ], "contractDependencies": [ 21818, 22526, 22661, 22847, 22907 ], "contractKind": "contract", "documentation": { "id": 22534, "nodeType": "StructuredDocumentation", "src": "243:574:62", "text": " @dev We consider every contract to be a 'token holder' since it's currently not possible\n for a contract to deny receiving tokens.\n The TokenHolder's contract sole purpose is to provide a safety mechanism that allows\n the owner to send tokens that were sent to the contract by mistake back to their sender.\n Note that we use the non standard ERC-20 interface which has no return value for transfer\n in order to support both non standard as well as standard token contracts.\n see https://github.com/ethereum/solidity/issues/4116" }, "fullyImplemented": true, "id": 22575, "linearizedBaseContracts": [ 22575, 22661, 21818, 22526, 22907, 22847 ], "name": "TokenHolder", "nodeType": "ContractDefinition", "nodes": [ { "baseFunctions": [ 22906 ], "body": { "id": 22573, "nodeType": "Block", "src": "1433:53:62", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 22568, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22545, "src": "1457:6:62", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } }, { "argumentTypes": null, "id": 22569, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22547, "src": "1465:3:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 22570, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22549, "src": "1470:7:62", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 22567, "name": "safeTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22475, "src": "1444:12:62", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_contract$_IERC20Token_$21127_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (contract IERC20Token,address,uint256)" } }, "id": 22571, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1444:34:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 22572, "nodeType": "ExpressionStatement", "src": "1444:34:62" } ] }, "documentation": { "id": 22543, "nodeType": "StructuredDocumentation", "src": "891:299:62", "text": " @dev withdraws tokens held by the contract and sends them to an account\n can only be called by the owner\n @param _token ERC20 token contract address\n @param _to account to receive the new amount\n @param _amount amount to withdraw" }, "functionSelector": "5e35359e", "id": 22574, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 22553, "modifierName": { "argumentTypes": null, "id": 22552, "name": "ownerOnly", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21754, "src": "1330:9:62", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1330:9:62" }, { "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 22557, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22545, "src": "1370:6:62", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } ], "id": 22556, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1362:7:62", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 22555, "name": "address", "nodeType": "ElementaryTypeName", "src": "1362:7:62", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 22558, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1362:15:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 22559, "modifierName": { "argumentTypes": null, "id": 22554, "name": "validAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22618, "src": "1349:12:62", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_address_$", "typeString": "modifier (address)" } }, "nodeType": "ModifierInvocation", "src": "1349:29:62" }, { "arguments": [ { "argumentTypes": null, "id": 22561, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22547, "src": "1401:3:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 22562, "modifierName": { "argumentTypes": null, "id": 22560, "name": "validAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22618, "src": "1388:12:62", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_address_$", "typeString": "modifier (address)" } }, "nodeType": "ModifierInvocation", "src": "1388:17:62" }, { "arguments": [ { "argumentTypes": null, "id": 22564, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22547, "src": "1423:3:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 22565, "modifierName": { "argumentTypes": null, "id": 22563, "name": "notThis", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22644, "src": "1415:7:62", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_address_$", "typeString": "modifier (address)" } }, "nodeType": "ModifierInvocation", "src": "1415:12:62" } ], "name": "withdrawTokens", "nodeType": "FunctionDefinition", "overrides": { "id": 22551, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1312:8:62" }, "parameters": { "id": 22550, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22545, "mutability": "mutable", "name": "_token", "nodeType": "VariableDeclaration", "overrides": null, "scope": 22574, "src": "1220:18:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" }, "typeName": { "contractScope": null, "id": 22544, "name": "IERC20Token", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 21127, "src": "1220:11:62", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22547, "mutability": "mutable", "name": "_to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 22574, "src": "1240:11:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 22546, "name": "address", "nodeType": "ElementaryTypeName", "src": "1240:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22549, "mutability": "mutable", "name": "_amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 22574, "src": "1253:15:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 22548, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1253:7:62", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1219:50:62" }, "returnParameters": { "id": 22566, "nodeType": "ParameterList", "parameters": [], "src": "1433:0:62" }, "scope": 22575, "src": "1196:290:62", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 22576, "src": "819:670:62" } ], "src": "52:1439:62" }, "legacyAST": { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHolder.sol", "exportedSymbols": { "TokenHolder": [ 22575 ] }, "id": 22576, "license": "SEE LICENSE IN LICENSE", "nodeType": "SourceUnit", "nodes": [ { "id": 22528, "literals": [ "solidity", "0.6", ".12" ], "nodeType": "PragmaDirective", "src": "52:23:62" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Owned.sol", "file": "./Owned.sol", "id": 22529, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 21819, "src": "77:21:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/Utils.sol", "file": "./Utils.sol", "id": 22530, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 22662, "src": "100:21:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/TokenHandler.sol", "file": "./TokenHandler.sol", "id": 22531, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 22527, "src": "123:28:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/utility/interfaces/ITokenHolder.sol", "file": "./interfaces/ITokenHolder.sol", "id": 22532, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 22908, "src": "153:39:62", "symbolAliases": [], "unitAlias": "" }, { "absolutePath": "/home/lash/src/ext/cic/grassrootseconomics/bancor-contracts/solidity/contracts/token/interfaces/IERC20Token.sol", "file": "../token/interfaces/IERC20Token.sol", "id": 22533, "nodeType": "ImportDirective", "scope": 22576, "sourceUnit": 21128, "src": "194:45:62", "symbolAliases": [], "unitAlias": "" }, { "abstract": false, "baseContracts": [ { "arguments": null, "baseName": { "contractScope": null, "id": 22535, "name": "ITokenHolder", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22907, "src": "843:12:62", "typeDescriptions": { "typeIdentifier": "t_contract$_ITokenHolder_$22907", "typeString": "contract ITokenHolder" } }, "id": 22536, "nodeType": "InheritanceSpecifier", "src": "843:12:62" }, { "arguments": null, "baseName": { "contractScope": null, "id": 22537, "name": "TokenHandler", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22526, "src": "857:12:62", "typeDescriptions": { "typeIdentifier": "t_contract$_TokenHandler_$22526", "typeString": "contract TokenHandler" } }, "id": 22538, "nodeType": "InheritanceSpecifier", "src": "857:12:62" }, { "arguments": null, "baseName": { "contractScope": null, "id": 22539, "name": "Owned", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 21818, "src": "871:5:62", "typeDescriptions": { "typeIdentifier": "t_contract$_Owned_$21818", "typeString": "contract Owned" } }, "id": 22540, "nodeType": "InheritanceSpecifier", "src": "871:5:62" }, { "arguments": null, "baseName": { "contractScope": null, "id": 22541, "name": "Utils", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 22661, "src": "878:5:62", "typeDescriptions": { "typeIdentifier": "t_contract$_Utils_$22661", "typeString": "contract Utils" } }, "id": 22542, "nodeType": "InheritanceSpecifier", "src": "878:5:62" } ], "contractDependencies": [ 21818, 22526, 22661, 22847, 22907 ], "contractKind": "contract", "documentation": { "id": 22534, "nodeType": "StructuredDocumentation", "src": "243:574:62", "text": " @dev We consider every contract to be a 'token holder' since it's currently not possible\n for a contract to deny receiving tokens.\n The TokenHolder's contract sole purpose is to provide a safety mechanism that allows\n the owner to send tokens that were sent to the contract by mistake back to their sender.\n Note that we use the non standard ERC-20 interface which has no return value for transfer\n in order to support both non standard as well as standard token contracts.\n see https://github.com/ethereum/solidity/issues/4116" }, "fullyImplemented": true, "id": 22575, "linearizedBaseContracts": [ 22575, 22661, 21818, 22526, 22907, 22847 ], "name": "TokenHolder", "nodeType": "ContractDefinition", "nodes": [ { "baseFunctions": [ 22906 ], "body": { "id": 22573, "nodeType": "Block", "src": "1433:53:62", "statements": [ { "expression": { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 22568, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22545, "src": "1457:6:62", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } }, { "argumentTypes": null, "id": 22569, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22547, "src": "1465:3:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, { "argumentTypes": null, "id": 22570, "name": "_amount", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22549, "src": "1470:7:62", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" }, { "typeIdentifier": "t_address", "typeString": "address" }, { "typeIdentifier": "t_uint256", "typeString": "uint256" } ], "id": 22567, "name": "safeTransfer", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22475, "src": "1444:12:62", "typeDescriptions": { "typeIdentifier": "t_function_internal_nonpayable$_t_contract$_IERC20Token_$21127_$_t_address_$_t_uint256_$returns$__$", "typeString": "function (contract IERC20Token,address,uint256)" } }, "id": 22571, "isConstant": false, "isLValue": false, "isPure": false, "kind": "functionCall", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1444:34:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_tuple$__$", "typeString": "tuple()" } }, "id": 22572, "nodeType": "ExpressionStatement", "src": "1444:34:62" } ] }, "documentation": { "id": 22543, "nodeType": "StructuredDocumentation", "src": "891:299:62", "text": " @dev withdraws tokens held by the contract and sends them to an account\n can only be called by the owner\n @param _token ERC20 token contract address\n @param _to account to receive the new amount\n @param _amount amount to withdraw" }, "functionSelector": "5e35359e", "id": 22574, "implemented": true, "kind": "function", "modifiers": [ { "arguments": null, "id": 22553, "modifierName": { "argumentTypes": null, "id": 22552, "name": "ownerOnly", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 21754, "src": "1330:9:62", "typeDescriptions": { "typeIdentifier": "t_modifier$__$", "typeString": "modifier ()" } }, "nodeType": "ModifierInvocation", "src": "1330:9:62" }, { "arguments": [ { "argumentTypes": null, "arguments": [ { "argumentTypes": null, "id": 22557, "name": "_token", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22545, "src": "1370:6:62", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } } ], "expression": { "argumentTypes": [ { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } ], "id": 22556, "isConstant": false, "isLValue": false, "isPure": true, "lValueRequested": false, "nodeType": "ElementaryTypeNameExpression", "src": "1362:7:62", "typeDescriptions": { "typeIdentifier": "t_type$_t_address_$", "typeString": "type(address)" }, "typeName": { "id": 22555, "name": "address", "nodeType": "ElementaryTypeName", "src": "1362:7:62", "typeDescriptions": { "typeIdentifier": null, "typeString": null } } }, "id": 22558, "isConstant": false, "isLValue": false, "isPure": false, "kind": "typeConversion", "lValueRequested": false, "names": [], "nodeType": "FunctionCall", "src": "1362:15:62", "tryCall": false, "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 22559, "modifierName": { "argumentTypes": null, "id": 22554, "name": "validAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22618, "src": "1349:12:62", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_address_$", "typeString": "modifier (address)" } }, "nodeType": "ModifierInvocation", "src": "1349:29:62" }, { "arguments": [ { "argumentTypes": null, "id": 22561, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22547, "src": "1401:3:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 22562, "modifierName": { "argumentTypes": null, "id": 22560, "name": "validAddress", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22618, "src": "1388:12:62", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_address_$", "typeString": "modifier (address)" } }, "nodeType": "ModifierInvocation", "src": "1388:17:62" }, { "arguments": [ { "argumentTypes": null, "id": 22564, "name": "_to", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22547, "src": "1423:3:62", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } } ], "id": 22565, "modifierName": { "argumentTypes": null, "id": 22563, "name": "notThis", "nodeType": "Identifier", "overloadedDeclarations": [], "referencedDeclaration": 22644, "src": "1415:7:62", "typeDescriptions": { "typeIdentifier": "t_modifier$_t_address_$", "typeString": "modifier (address)" } }, "nodeType": "ModifierInvocation", "src": "1415:12:62" } ], "name": "withdrawTokens", "nodeType": "FunctionDefinition", "overrides": { "id": 22551, "nodeType": "OverrideSpecifier", "overrides": [], "src": "1312:8:62" }, "parameters": { "id": 22550, "nodeType": "ParameterList", "parameters": [ { "constant": false, "id": 22545, "mutability": "mutable", "name": "_token", "nodeType": "VariableDeclaration", "overrides": null, "scope": 22574, "src": "1220:18:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" }, "typeName": { "contractScope": null, "id": 22544, "name": "IERC20Token", "nodeType": "UserDefinedTypeName", "referencedDeclaration": 21127, "src": "1220:11:62", "typeDescriptions": { "typeIdentifier": "t_contract$_IERC20Token_$21127", "typeString": "contract IERC20Token" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22547, "mutability": "mutable", "name": "_to", "nodeType": "VariableDeclaration", "overrides": null, "scope": 22574, "src": "1240:11:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" }, "typeName": { "id": 22546, "name": "address", "nodeType": "ElementaryTypeName", "src": "1240:7:62", "stateMutability": "nonpayable", "typeDescriptions": { "typeIdentifier": "t_address", "typeString": "address" } }, "value": null, "visibility": "internal" }, { "constant": false, "id": 22549, "mutability": "mutable", "name": "_amount", "nodeType": "VariableDeclaration", "overrides": null, "scope": 22574, "src": "1253:15:62", "stateVariable": false, "storageLocation": "default", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" }, "typeName": { "id": 22548, "name": "uint256", "nodeType": "ElementaryTypeName", "src": "1253:7:62", "typeDescriptions": { "typeIdentifier": "t_uint256", "typeString": "uint256" } }, "value": null, "visibility": "internal" } ], "src": "1219:50:62" }, "returnParameters": { "id": 22566, "nodeType": "ParameterList", "parameters": [], "src": "1433:0:62" }, "scope": 22575, "src": "1196:290:62", "stateMutability": "nonpayable", "virtual": true, "visibility": "public" } ], "scope": 22576, "src": "819:670:62" } ], "src": "52:1439:62" }, "compiler": { "name": "solc", "version": "0.6.12+commit.27d51765.Emscripten.clang" }, "networks": {}, "schemaVersion": "3.2.3", "updatedAt": "2020-10-20T08:24:47.847Z", "devdoc": { "details": "We consider every contract to be a 'token holder' since it's currently not possible for a contract to deny receiving tokens. The TokenHolder's contract sole purpose is to provide a safety mechanism that allows the owner to send tokens that were sent to the contract by mistake back to their sender. Note that we use the non standard ERC-20 interface which has no return value for transfer in order to support both non standard as well as standard token contracts. see https://github.com/ethereum/solidity/issues/4116", "kind": "dev", "methods": { "acceptOwnership()": { "details": "used by a new owner to accept an ownership transfer" }, "transferOwnership(address)": { "details": "allows transferring the contract ownership the new owner still needs to accept the transfer can only be called by the contract owner", "params": { "_newOwner": "new contract owner" } }, "withdrawTokens(address,address,uint256)": { "details": "withdraws tokens held by the contract and sends them to an account can only be called by the owner", "params": { "_amount": "amount to withdraw", "_to": "account to receive the new amount", "_token": "ERC20 token contract address" } } }, "version": 1 }, "userdoc": { "kind": "user", "methods": {}, "version": 1 } }